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  1. #1

    Inherited pond in Bristol - zombie fish? (total newbie please help)

    Hello, Iíve joined because we just moved into a house with a pond and discovered while having the pond cleaned that there are fish in it. 10 fish - some koi, some goldfish (a couple black goldfish?!) all pretty small. 3-4Ē Iíd guess.
    I donít know how they are alive as we werenít feeding them for a couple months after not seeing them and thinking they must be dead.

    Iíve been reading the forums and appreciate the good info, but thereís so much of it. If I describe the situation perhaps someone can point to the most urgent priorities while I learn.

    The water was opaque before the cleaning. The pond is now somewhat clear, but itís clouding up again. No pump, filter or any mechanicals. We havenít measured yet but I think it is about 36Ē deep at the deepest. 18Ē at the sides.
    I read that wheat germ food is right for temperatures 5 to 10 degrees so I ordered a thermometer and some Tetra Pond Wheatgerm and feed them a handful on days when it is in that range. Right now itís 8 degrees most days and they come to the surface to feed. They are skittish and it takes them a few minutes to come out from under the weeds but then they eat up the food.
    There was a plastic heron that broke, so no predator deterrents now. There is a cat that I have seen sneaking around the pond.

    What to tackle first? Filter? Aeration? Predator defence? Winter protection? Is my feeding approach okay? Can I walk into the pond to measure depth or will that harm the fish?

    I would like to do a good job for the inherited (possibly undead zombie) fish so any advice is welcome. My spouse enjoys the fish but is too ill to care for them at present.



  2. #2
    Forgot to ask, is there a good supply store to order from in the future? I prefer not to order from Amazon but will do so if thatís best.

  3. #3
    Make sure you add water conditioner to the tap water, It'll make (remove???) the chlorine from it.
    Post a picture of the pond too.

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  5. #4
    Member Rank = Nisai KiOgon's Avatar
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    First you will need to measure the size of pond to detirmine how much water it holds. Then if you want to see the fish and keep them well you'll need a pump and filter, once you know the volume of water this will help decide what size of filter you will need, it's also important to know in case any treatments or medications are required. Assuming you buy a standard 'garden pond box filter' it will need cleaning out often to clear the green water. A filter with UV will help also. Of course winter is not the best time to embark on this as a project but - if you leave the pond alone and if we get a cold winter the pond will freeze over and that could be fatal for the fish. Are there pond plants/weeds in it? A picture will help us know what you have and what's required.

    Is there a garden centre that does pond stuff near you? You could get some ideas there for starters.

    For example, if a small pond, a very basic kit; https://www.amazon.co.uk/All-Pond-So...22&sr=8-8&th=1
    Last edited by KiOgon; 28-11-2022 at 10:56 AM.

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  7. #5
    Thanks for the advice so far.
    The pond is irregular size - roughly oval, and is 350 cm x 200 cm at its longest and widest. It is only 46 cm deep - this varies a little in different parts. The back of the pond has a 30 cm ledge which is only 20 cm deep... So perhaps 3000 L?
    Photo below - you can't see it, but behind the hedge there is a box to hold a pump and a hose running from it. There is an electrical socket but the cable to it was cut(!) so we'll have to have an electrician out.
    Screenshot 2022-11-28 at 10.19.59.jpgScreenshot 2022-11-28 at 10.24.55.jpg
    Last edited by Brizzle_gal; 28-11-2022 at 11:25 AM. Reason: edited to add photo of fish

  8. #6
    Member Rank = Nisai KiOgon's Avatar
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    OK, looks like it could be a lovely pond, not for Koi really, but fine for goldfish, shubunkins etc. Koi really need twice that depth and would soon outgrow that volume of water.

    If we say 350 x 200 x average depth of 35 that will be approx 2,450 L or 540 Gallons, so there are plenty of pump/filter/uv sets ready to go for maybe £150/200 once you get the electrics reinstated.

    My son built a pond in the summer with a simple 'in pond' filter which is running nicely, although as said anything like this or the external filter will require regular cleaning and maintenance.

    Example: https://worldofwater.com/oase-filtra...-fountain-kit/

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  10. #7
    Quote Originally Posted by KiOgon View Post
    OK, looks like it could be a lovely pond, not for Koi really, but fine for goldfish, shubunkins etc. Koi really need twice that depth and would soon outgrow that volume of water.
    Thanks, I guess that's bad news for the koi who already live there. According to neighbours, the pond has had koi for some time - perhaps they get moved out when they grow... any idea at what size they would need to be re-homed? I poked around a bit more and almost all points are about 45cm deep, other than the small ledge on one side. So probably more like 750 gal if it matters

 

 

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